the purpose of this research was to compare block, random and randomized block training on the acquisition, retention and transfer of volleyball serves. for this purpose, 34 students of shomal university were selected randomly and after primary rules of volleyball were explained and instructed and pretest was performed, they were divided into 3 groups (block, random and randomized block trainin...

the aim of this study was to evaluate blocked, random, gradual incremental and gradual decremental practice schedules on the acquisition and retention of different types of basketball pass (overhead, hand chest , single arm with dominate hand) in 8-10-year-old girls. for this purpose, 60 female students of second, third and fourth grade of elementary school were voluntarily selected and randoml...

Learning often affects future learning and memory for previously learned information by exerting either facilitation or interference effects. Several theoretical accounts of interference effects have been proposed, each making different developmental predictions. This research examines interference effects across development, with the goal of better understanding mechanisms of interference and ...

Visual observation of movement plays a key role in action. For example, tennis players have little time to react to the ball, but still need to prepare the appropriate stroke. Therefore, it might be useful to use visual information about the ball trajectory to recall a specific motor memory. Past visual observation of movement (as well as passive and active arm movement) affects the learning an...

We study the problem of secure information flow for Boxed Ambients in terms of non-interference. We develop a sound type system that provides static guarantees of absenceof unwanted flow of information for well typed processes. Non-interference is stated, andproved, in terms of a typed notion of contextual equivalence for Boxed Ambients akin tothe corresponding equivalence d...

We propose a simple numerical experiment of two slits interference of particles. It disproves the popular belief that such an interference is incompatible with a knowledge which slit each particle came through or, more generally, “quantum particles could not have trajectories”. Our model is an illustration to the contextual interpretation of quantum probabilities. It is all mysterious. And the ...